code: def a_property():
      p = MagicMock()
      p.key = a_string()
      p.value = a_string()
      return p
  
file_path: neptune-client/tests/unit/neptune/legacy/api_objects_factory.py
imports: from random import randint, uniform
  from mock import MagicMock
  from tests.unit.neptune.legacy.random_utils import a_string, a_timestamp, a_uuid_string
label_desc: Use image node_id 5 for calling a global function with example usage: a_property() and returns: p